MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Quadriceps reflex
See: Knee jerk
Read the definitionRandom terms
Show more- Eyes, flashing lights in the There are a number of causes of spontaneous flashing light sensations in the eye. A sensation of flashing…
- Nocturnal enuresis Bedwetting at night. From the Greek 'enourin' meaning 'to urinate in.'
- Seizure, focal motor See: Focal motor seizure
- Wegener's granulomatosis Wegener's granulomatosis: An uncommon type of inflammation of small arteries and veins (vasculitis) that…
- Myocardial infarction A heart attack. Abbreviated MI. The term 'myocardial infarction' focuses on the myocardium (the heart muscle)…
- Dental pain (toothache) The most common cause of a toothache is a dental cavity. The second most common is gum disease. Toothache can…
- Ankle-foot orthosis A brace (usually plastic) worn on the lower leg and foot to support the ankle, hold the foot and ankle in the…
- Imagery Both a mental process (as in imagining) and a wide variety of procedures used in therapy to encourage changes…
- Anesthetic A substance that causes lack of feeling or awareness. A local anesthetic causes loss of feeling in a part of…
- Syndrome, Witkop A genetic disorder characterized by the absence of several teeth at birth and abnormalities of the nails. The…
- Vaccinia, fetal See Congenital vaccinia
- CPEO Chronic progressive external ophthalmoplegia. Slowly progressive paralysis of certain eye muscles. See also…